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If you have 2020 vision you are considered to have normal visual acuity. They will discuss with you and ensure you have a full understanding of your results and what preventative measures if any need to be taken to protect your eyesight.
Fixation Losses This number shown on the top left of the test determines how often the eye has moved off of the center target.
How to understand eye test results. Understanding your eye test results. The numbers explained The numbers on your spectacle prescription are shown for your right eye indicated as RE or sometimes OD the Latin for oculus dexter meaning right eye and your left eye LE or OS oculus sinister. To find out how short or long sighted you are your optician will run a number of tests including asking you to read letters and words with the print becoming smaller and smaller.
Your glasses prescription will be determined by how many of these letters you manage to read clearly before needing the help of a lens. The following are the factors used by the test to determine reliability of results. Refer to the top left portion of the sample visual field for the following parameters.
Fixation Losses This number shown on the top left of the test determines how often the eye has moved off of the center target. The or in front of the number signifies whether you will have a positive convex lens or a negative convex lens. The higher the number the worse your astigmatism is.
If you dont have astigmatism this section might be blank or left off your prescription entirely. Or you might just have astigmatism in one eye. Once all the relevant tests have been carried out your optometrist will be able to discuss the results and offer any advice.
This could be a simple all clear on the eye health front or they might talk you through particular lens options to match your prescription and lifestyle. If the numbers are marked with a plus sign or no sign youre farsighted. If the numbers are marked with a minus sign - youre nearsighted.
Some of the numbers in your prescription tell. If you are -425 that means you have 4 and 14 diopters of nearsightedness. This is more nearsighted than -100 and requires stronger thicker lenses.
Similarly 100 would be a small amount. Eye doctors use the abbreviations OD and OS to denote your right and left eyes. OD is your right eye.
OD is short for oculus dexter the Latin phrase for right eye. OS is your left eye. OS is short for oculus sinister Latin for left eye.
Your vision prescription may also have a. The MAR value is best known for its logarithm. As for MAR a higher logMAR value indicates poorer vision.
Although the logMAR notation is often presented as a visual acuity notation it actually is a notation of vision loss. Zero logMAR indicates standard vision. Zero visual acuity indicates blindness.
You cover one eye and read out the smallest line of letters you can see. The test is done on each eye. In some offices the chart is viewed using a mirror so the test can be done with less than 20 feet of space.
The results are the same whether or not a mirror is used. If you have 2020 vision you are considered to have normal visual acuity. Instead of OD and OSThe information for your right eye OD always comes before the information for your left eye OS.
Eye doctors write prescriptions this way because when they face you they see your right eye on their left first and your left eye on their right secondSphere SPHSphere indicates the amount of lens power prescribed to. Your Eye Examination Results Explained. At the end of your eye exam your optometrist will have detailed knowledge of the condition of your eye health and vision.
They will discuss with you and ensure you have a full understanding of your results and what preventative measures if any need to be taken to protect your eyesight. Understand what the SPH CYL Axis Prism and Base figures mean in your prescription. If youre unsure visit your local Specsavers store where we can answer your questions.
Eye tests Hearing tests Corporate eye care Health Your eye health Eye test information FAQs About Customer care Community Program Contact lenses FAQ About Specsavers. How to Read the Results of a Visual Acuity Test Visual acuity is typically measured in fractions or decimals. The first number in the fraction refers to the testing distance and the second number refers to the distance someone with.
Hello viewersThis video will answer you how to understand eye power results and test reports in hindi and you will also understand what is cylinder and sph. In this system 10 or 100 means the average vision 20 or 200 is the highest possible value and indicates very sharp way above-average vision. 2020-vision is widely used especially in the US and means that you can see clearly at 20 feet what the.
This indicates the amount of lens power measured in dioptres D prescribed to correct shortsightedness or longsightedness. If the number appearing under this heading has a minus sign you are shortsighted. If the number has a plus sign or is not preceded by a plus sign or a minus sign you are longsighted.
Looking at visual field test result. One dr says it is normal other says theres peripheral vision loss. Why the difference of opinion.
Ophthalmology 30 years experience. Interpretation of visual field change is somewhat subjective. As many as 5 cosequetive visual fields are necessary to.
Eye Test Prescriptions Explained. To the right is a brief description of what the numbers and letters on your optical prescription mean to help you understand your optical prescription. All this information is critical to any optician understanding your specific eye care needs but when you know the lingo it can also help you understand what you.
How To Read An Eye Prescription. What The Numbers Mean For example if your prescription says -100 you have one diopter of nearsightedness. This is a fairly mild amount of nearsightedness.
If you are -425 that means you have 4 and 14 diopters of. 10 Jan 2021 Rating. We take care in your eye examination to thoroughly examine your eyes and vision.
We tailor our appointments to you by asking questions to understand your overall and visual health so that our recommendations are based on your individual needs. During your eye test you will complete a few easy and painless tests that assess your visual status.